Haplogroup X (mtDNA)
Human mitochondrial DNA haplogroup / From Wikipedia, the free encyclopedia
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Haplogroup X is a human mitochondrial DNA (mtDNA) haplogroup. It is found in North America, Europe, Western Asia, North Africa, and the Horn of Africa.
Quick Facts Possible time of origin, Possible place of origin ...
Haplogroup X | |
---|---|
Possible time of origin | ca. 45,000–20,000 years ago[1] |
Possible place of origin | Near East[2] |
Ancestor | N |
Descendants | X1, X2 |
Defining mutations | 73, 7028, 11719, 12705, 14766, 16189, 16223, 16278[3] |
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Haplogroup X diverged from haplogroup N, roughly 30,000 years ago (just prior to or during the Last Glacial Maximum). It is in turn ancestral to subclades X2 and X1, which arose c.16-21 thousand and c.14-24 thousand years ago, respectively.[1]